* {
    margin: 0;
    padding: 0;
}

.bj {
    position: relative;
    width: 2000px;
    height: 280px;

    background-image: url(../img/游戏/beij.PNG);
    background-size: auto 95%;
    z-index: 1;
}

#span {
    position: absolute;
    width: 50px;
    height: 50px;
    bottom: 0px;
    left: 0px;
    background-image: url(../img/游戏/zou.PNG);
    background-size: 50px 50px;
}

#bb {
    position: absolute;
    left: 40px;
    top: 0px;
    width: 3px;
    height: 30px;
    background-image: none;
    transform-origin: 1px 25px;
    background-color: rgb(0, 0, 0);

}

button {
    width: 50px;
    height: 30px;
}

.maomain {
    padding: 0px 0 0 0;
    width: 700px;
    height: 440px;
    overflow: hidden;
}

.youxishang {
    img {
        width: 700px;
        margin-top: 50px;
    }
}

#zdc {
    position: absolute;
    top: 5;
    left: 5;
    width: 700px;
    height: 450px;
    z-index: 3;
    background-color: #000;
    background-image: url(../img/游戏/巨猫.gif);
    background-size: 100% 100%;
}

#zdc>span {
    position: absolute;
    display: inline-block;
    text-align: center;
    line-height: 40px;

}

.s1 {
    top: 150px;
    left: 270px;
    font-size: 38px;
    font-weight: 700;
}

.s2,
.s3,
.s4 {
    top: 240px;
    left: 275px;
    font-size: 20px;
    border-radius: 30px;
    width: 140px;
    height: 40px;

}

.s3 {
    top: 280px;
}

.s4 {
    top: 320px;
}

:hover.s2,
:hover.s3,
:hover.s4 {
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.5);
}